A running coupling explanation of the surprising transparency of the QGP at LHC
classification
✦ hep-ph
nucl-th
keywords
perpcouplingdynamicalrunningsurprisingtransparencyaliceapplied
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The CUJET Monte Carlo Jet Energy loss model is applied to predict the jet flavor, centrality and density dependence of the nuclear modification factor $R_{AA}$ at RHIC and LHC. Running coupling effects due to combined $x$, $k_\perp$ and $q_\perp$ evolution are included for the first time in the dynamical DGLV opacity expansion framework and are shown to provide a natural dynamical QCD tomographic solution to the surprising transparency of the quark gluon plasma produced at LHC as suggested by $p_\perp>10$ GeV $R_{AA}$ data from ALICE, ATLAS, and CMS.
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